body{
		width:960px;
		margin:0 auto;
		font-size:14px;
	}
	#header{
		border:1px solid red;
		height:80px;
		margin-bottom:10px;
	}
	#left{
		border:1px solid red;
		height:670px;
		width:195px;
		float:left;
		margin-bottom:10px;
	}
	#main{
		border:1px solid red;
		height:670px;
		margin-left:200px;
		width:760px;
		margin-bottom:10px;
	}
	#footer{
		border:1px solid red;
		clear:both;
		height:50px;
	}